- Men are stuck by lightning 7 times more than women.
- Ancient Egyptians used geometry principles as far back as 3000 BC, using equations to approximate the area of circles among other formulas.
- $30 of raw popcorn translates into $3,000 in sales at movie theaters.
- There is no sound in space.
- The expression to 'knuckle down' originated from playing marbles (players used to put their knuckles to the ground for their best shots).
- Butterflies taste with their back feet.
- Jellyfish have been on Earth for over 650 million years.
- There are around 30 milligrams of caffeine in the average chocolate bar while a cup of coffee has around 100 to 150.
- A giraffe can go longer without water than a camel.
- Whales can't swim backwards.
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